Finding the Fourth Proportional to 317,126.28, 437,630.88 and 173,885.88
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Solution
The fourth proportional to 317,126.28, 437,630.88 and 173,885.88 is: 239,960.66
Step by Step Solution
- Step 1: Write the proportion equation
317,126.28 : 437,630.88 = 173,885.88 : x - Step 2: Convert to fraction form
317,126.28/437,630.88 = 173,885.88/x - Step 3: Cross multiply
317,126.28x = 437,630.88 × 173,885.88 - Step 4: Simplify right side
317,126.28x = 76,097,830,683.97 - Step 5: Solve for x
x = 76,097,830,683.97/317,126.28 - Step 6: Final answer
x = 239,960.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.